How to disable IOMMU on IBM POWER (ppc64) hardware, or alter IOMMU window sizes for RHEL (any version)
Issue
- Can I disable the IOMMU on IBM POWER hardware?
- Can I alter the size of IOMMU DMA windows on IBM POWER hardware?
Environment
- Red Hat Enterprise Linux 5 or 6
- IBM POWER hardware
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
